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Old 12-19-2021, 08:57 PM
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Jo Ross Jo Ross is offline
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Spot on

You're not wrong on any count.
I'm hauled out and they are pretty adamant about not running the engine on the hard so I did what I could on the water in short time.
I agree at this point that the head gasket was not the culprit, but these valves are worryingly blocked, whether that lends to the compression issues or not.
As for the fuel, it's a very likely cause. The main separator had considerable sediment in the bottom. I'm not sure how to go about checking the fuel tank yet but the churn we were in that led to the rough running would definitely have stirred up the bottom. We went through a few cans so in my mind we were running on fully fresh fuel.
Also, all of this carbon buildup makes me think I'm perhaps running lean? Carb is getting a cleaning and I'll check for sediment in there too.
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Last edited by Jo Ross; 12-20-2021 at 07:46 AM. Reason: Add photo
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